325
Participants
Start Date
December 1, 2015
Primary Completion Date
July 21, 2026
Study Completion Date
July 21, 2026
Magnetic Resonance Imaging scanner, 3T
Non-significant risk device used for brain imaging.
NeurOptics PLRTM-3000 Pupillometer
The NeurOptics PLRTM-3000 Pupillometer will use quantitative infrared technology to objectively and accurately measure pupil size and dynamics.
Experimental Anxiety Devices
Acoustic startle and shock devices are used to evaluate anxious responses to stimuli. Both are considered non-significant risk under this study.
Magnetic Resonance Imaging scanner, 7T
Non-significant risk device used for brain imaging.
Ketamine Hydrochloride
A non-competitive N-methyl-D-aspartate receptor antagonist. This drug is exempt from FDA IND review under the study.
RECRUITING
National Institutes of Health Clinical Center, Bethesda
National Institute of Mental Health (NIMH)
NIH